College Algebra 7th Edition

Published by Brooks Cole
ISBN 10: 1305115546
ISBN 13: 978-1-30511-554-5

Chapter 2, Functions - Section 2.2 - Graphs of Functions - 2.2 Exercises: 4

Answer

(a) IV (b) II (c) I (d) III

Work Step by Step

Using the table on page 202 as reference, then: (a) The graph of $f(x) = x^2$ is a parabola that open upward. Thus, its graph is the one in Option IV. (b) The graph of $f(x)=x^3$ is a curve that is increasing on its entire domain. The graph of this function is the one in Option II. (c) The graph of the square root function is a half-parabola that opens to the right. Thus, the graph of this function is the one in Option I. (d) The graph of the absolute value function is a V-shaped graph. Thus, its graph is the one in Option III.
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